Hourly Weather Forecast - Locust Valley, NY

12 AM
25°F
10%
9mph
NW
Clear
Humidity
55%
Feels like
16°F
Dew Point
11°F
1 AM
24°F
0%
9mph
NW
Clear
Humidity
55%
Feels like
15°F
Dew Point
11°F
2 AM
24°F
0%
9mph
NW
Clear
Humidity
56%
Feels like
14°F
Dew Point
10°F
3 AM
23°F
0%
9mph
NW
Clear
Humidity
55%
Feels like
13°F
Dew Point
9°F
4 AM
22°F
0%
9mph
NW
Clear
Humidity
56%
Feels like
12°F
Dew Point
9°F
5 AM
21°F
0%
8mph
NW
Clear
Humidity
57%
Feels like
11°F
Dew Point
8°F
6 AM
21°F
0%
8mph
NW
Clear
Humidity
57%
Feels like
12°F
Dew Point
8°F
7 AM
22°F
0%
7mph
NW
Clear
Humidity
55%
Feels like
13°F
Dew Point
8°F
7:11 AM
8 AM
23°F
0%
8mph
NW
Sunny
Humidity
59%
Feels like
14°F
Dew Point
11°F
9 AM
25°F
0%
8mph
NW
Sunny
Humidity
56%
Feels like
16°F
Dew Point
11°F
10 AM
26°F
0%
8mph
NW
Sunny
Humidity
55%
Feels like
17°F
Dew Point
12°F
11 AM
27°F
0%
8mph
NW
Sunny
Humidity
55%
Feels like
19°F
Dew Point
13°F
12 PM
28°F
0%
8mph
NW
Mostly Sunny
Humidity
57%
Feels like
21°F
Dew Point
15°F
1 PM
29°F
0%
7mph
NW
Mostly Sunny
Humidity
58%
Feels like
22°F
Dew Point
16°F
2 PM
29°F
0%
7mph
NW
Partly Cloudy
Humidity
59%
Feels like
22°F
Dew Point
16°F
3 PM
28°F
0%
6mph
WNW
Partly Cloudy
Humidity
62%
Feels like
21°F
Dew Point
17°F
4 PM
27°F
0%
6mph
WNW
Mostly Cloudy
Humidity
67%
Feels like
21°F
Dew Point
18°F
4:27 PM
5 PM
26°F
0%
5mph
WNW
Cloudy
Humidity
70%
Feels like
20°F
Dew Point
18°F
6 PM
26°F
0%
5mph
WNW
Cloudy
Humidity
70%
Feels like
20°F
Dew Point
17°F
7 PM
26°F
0%
4mph
WNW
Cloudy
Humidity
70%
Feels like
20°F
Dew Point
17°F
8 PM
25°F
10%
4mph
WNW
Cloudy
Humidity
57%
Feels like
20°F
Dew Point
12°F
9 PM
25°F
10%
4mph
W
Cloudy
Humidity
55%
Feels like
19°F
Dew Point
11°F
10 PM
25°F
10%
4mph
W
Cloudy
Humidity
54%
Feels like
20°F
Dew Point
10°F
11 PM
24°F
10%
4mph
W
Cloudy
Humidity
53%
Feels like
19°F
Dew Point
10°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide